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Colorbook
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Color Information

Red

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#CC2500
RGB Values
204, 37, 0
HSL Values
11°, 100%, 40%
CMYK Values
0%, 82%, 100%, 20%

Color Variations & Tints

  • #FF441A

    Lightness: 55%

  • #FF2F00

    Lightness: 50%

  • #E62A00

    Lightness: 45%

  • #CC2500

    Lightness: 40%

    Current color

  • #B32100

    Lightness: 35%

  • #991C00

    Lightness: 30%

  • #801700

    Lightness: 25%

Accessibility

White Text
5.5
PASS
Black Text
3.8
FAIL
WCAG AA
PASS
WCAG AAA
FAIL

Accessibility Guide

Contrast Ratios
Higher values (4.5+) ensure better readability for users with visual impairments.
WCAG AA Standard
Minimum requirement: 4.5:1 contrast for normal text, 3:1 for large text.
WCAG AAA Standard
Enhanced level: 7:1 contrast for normal text, 4.5:1 for large text.

Color Harmonies

  • Complementary

    Colors opposite on the color wheel, creating high contrast

  • Triadic

    Three evenly spaced colors forming a triangle on the color wheel

  • Analogous

    Adjacent colors on the color wheel, creating harmony and unity

Be picky and fine tune your color: colors very near to #CC2500

Systematic progression of extremely similar colors. Each color represents a precise step in lightness variation.

Current: #CC2500

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